{
  "cveId": "CVE-2022-48643",
  "url": "https://patchblox.com/security/cve/CVE-2022-48643",
  "summary": "CVE-2022-48643 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48643, released April 28, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  netfilter: nf_tables: fix nft_counters_enabled u...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  netfilter: nf_tables: fix nft_counters_enabled underflow at nf_tables_addchain()  syzbot is reporting underflow of nft_counters_enabled counter at nf_tables_addchain() [1], for commit 43eb8949cfdffa76 (\u0022netfilter: nf_tables: do not leave chain stats enabled on error\u0022) missed that nf_tables_chain_destroy() after nft_basechain_init() in the error path of nf_tables_addchain() decrements the counter because nft_basechain_init() makes nft_is_base_chain() return true by setting NFT_CHAIN_BASE flag.  Increment the counter immediately after returning from nft_basechain_init().",
  "published": "2024-04-28T13:15:07Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00232,
  "epssPercentile": 0.1416,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "6.0.2-1",
      "fix": "DEBIAN-CVE-2022-48643",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48643",
      "released": "2024-04-28T13:15:07Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "6.0.2-1",
      "fix": "DEBIAN-CVE-2022-48643",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48643",
      "released": "2024-04-28T13:15:07Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "6.0.2-1",
      "fix": "DEBIAN-CVE-2022-48643",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48643",
      "released": "2024-04-28T13:15:07Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}